DUAL-BAND-REJECTION FILTER BASED ON SPLIT RING RESONATOR (SRR) AND COMPLIMENTARY SRR

被引：8
|
作者：
Hu, Xin [1 ,2 ]
Zhang, Qiaoli [2 ]
He, Sailing [1 ,2 ]
机构：
[1] Royal Inst Technol, Div Electromagnet Theory, Sch Elect Engn, S-10044 Stockholm, Sweden
[2] Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2009年 / 51卷 / 10期
基金：
瑞典研究理事会;
关键词：
SRR; complimentary SRR; dual-band-rejection; filter; TRANSMISSION-LINES; DESIGN;
D O I：
10.1002/mop.24596
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel concept of a compact, low insertion-loss dual-band-rejection filter (DBRF) is proposed, and its equivalent circuit model is given. The filter consists of single split ring resonators (SRRs) on the top of the host microstrip line and Complimentary SRR etched on the back ground plane. The dimensions of the structure are as small as 1.4 cm x 2 cm, while high frequency selectivity is achieved at both band edges due to the presence of two transmission zeros. The filter has an insertion loss of better than 1 dB, a return loss of larger than 10 dB in the passband from 3.3 to 4.0 GHz, and two rejections of greater than 30 dB within 2.5-2.6 and 5.2-5.6 GHz. (C) 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 2519-2522, 2009; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24596
引用
收藏
页码：2519 / 2522
页数：4
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